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  1. Catalogue of the phænogamous plants of the United States, east of the Mississippi, and of the vascular cryptogamous plants of North America, north of Mexico [Horace Mann].
    By: Mann, Horace,
    Edition: 2nd ed., rev. and corr.
    Publication info: Cambridge, Mass. :B.P. Mann,[1872?]
    Contributed by: Canadiana.org (archive.org)
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  2. Catalogue of the phænogamous plants of the United States, east of the Mississippi, and of the vascular cryptogamous plants of North America, north of Mexico [Horace Mann].
    By: Mann, Horace,
    Publication info: Cambridge, Mass. :H. Mann,[1868?]
    Contributed by: Canadiana.org (archive.org)
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  3. Catalogue of the phænogamous plants of the United States, east of the Mississippi, and of the vascular cryptogamous plants of North America, north of Mexico.
    By: Mann, Horace,
    Publication info: Cambridge, Mass.H. Mann[1868]
    Contributed by: NCSU Libraries (archive.org)
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  4. Correspondence : Mann (Horace) and Engelmann (George), 1866-1867.
    By: Mann, Horace,
    Contributed by: Missouri Botanical Garden, Peter H. Raven Library
    BHL Collections: Engelmann Papers, Missouri Botanical Garden
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